eWON General Reference Guide - eWON wiki
eWON General Reference Guide - eWON wiki
eWON General Reference Guide - eWON wiki
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• Status register:<br />
<strong>General</strong> <strong>Reference</strong> <strong>Guide</strong> IO Servers Configuration<br />
The STATUS Tag is a special Tag that returns information about the current state of the communication for a given device. As for other Tags, the<br />
status Tag ValueName is composed of:<br />
Status, Global Device Address<br />
• You can define a status Tag for each PLC used.<br />
• If you use the status address, the Tag must be configured as analog.<br />
0<br />
5.5.3.2 The device address syntax<br />
The Device Address is used in the topic definition or in the Tag definition. If used in the Tag definition, it will be separated from the value name by<br />
a coma (’,’)<br />
• Network,Station,Gate<br />
example: 0,254,0 to access the UnitelWay device directly connected on the <strong>eWON</strong><br />
or<br />
• Network,Station,Gate,Module,Channel<br />
Communication not initialized. Status UNKNOWN.<br />
If no Tag is polled on that device address, the communication status is unknown.<br />
1 Communication OK.<br />
2 Communication NOT OK.<br />
The second case applies to addresses with 5 levels:<br />
• Network: 0..127<br />
• Station: 0..63<br />
• Gate:<br />
• Module:<br />
• Channel:<br />
Module and channel can be omitted if not required.<br />
Note: If the address is not specified, 0,254,0 will be used.<br />
Table 80: Tag Status meaning<br />
Important: If an address is specified in a Topic definition it will replace any address defined Tag by Tag.<br />
RG-001-0-EN ver 1.14 <strong>eWON</strong>® - 02/05/2012 - ©<strong>eWON</strong> sa Page 108